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[texts]OLE
Kumasi photos
Keywords: Kumasi; Ghana Reads; BeLL System
Downloads: 12
[movies]Long Distance - Audio Productions

Keywords: telephones; communication; Bell System; Manifest Destiny; United States expansion
Downloads: 11,496 4.00 out of 5 stars4.00 out of 5 stars4.00 out of 5 stars4.00 out of 5 stars(8 reviews)
[texts]BSTJ 56: 10. December 1977: WT4 Millimeter Waveguide System: Introduction. (Warters, W.D.)
Bell System Technical Journal, 56: 10. December 1977 pp 1825-1827. WT4 Millimeter Waveguide System: Introduction. (Warters, W.D.)
Keywords: waveguide; bell; system; millimeter; development; frequencies; western; repeater; southworth; reliability; bell system; long lines; western electric
Downloads: 45
[texts]BSTJ 44: 7. September 1965: All-Weather Earth Station Satellite Communication Antennas. (Cook, J.S.; Giger, A.J.)
Bell System Technical Journal, 44: 7. September 1965 pp 1225-1228. All-Weather Earth Station Satellite Communication Antennas. (Cook, J.S.; Giger, A.J.)
Keywords: antenna; radome; satellite; degradation; configurations; kelvin; andover; antennas; station; elimination; system technical; earth station; bell system
Downloads: 34
[texts]BSTJ 26: 4. October 1947: Abstracts of Technical Articles by Bell System Authors.
Bell System Technical Journal, 26: 4. October 1947 pp 900-903. Abstracts of Technical Articles by Bell System Authors.
Keywords: viscosity; surface; aluminum; alloys; coatings; spectrochemical; bell; nickel; torsionally; determinations; space charge; bell system
Downloads: 29
[texts]BSTJ 36: 2. March 1957: Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 36: 2. March 1957 pp 583-587. Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Keywords: monograph; monographs; bell; lithium; magnetic; technical; silicon; crystal; reliable; theory; bell system; system technical
Downloads: 28
[texts]BSTJ 24: 3. July-October 1945: Abstracts of Technical Articles by Bell System Authors.
Bell System Technical Journal, 24: 3. July-October 1945 pp 462-466. Abstracts of Technical Articles by Bell System Authors.
Keywords: fader; measurement; transmission; plastics; system; method; network; equations; hyperbolic; flux; bell system; technical articles
Downloads: 19
[texts]BSTJ 34: 6. November 1955: Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Bell System Technical Journal, 34: 6. November 1955 pp 1323-1326. Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Keywords: monograph; monographs; crystal; structure; bell; technical; silicon; barium; germanium; telephone; system technical; crystal structure; bell system
Downloads: 23
[texts]BSTJ 29: 4. October 1950: Technical Publications by Bell System Authors Other Than in the BellSystem Technical Journal.
Bell System Technical Journal, 29: 4. October 1950 pp 672-673. Technical Publications by Bell System Authors Other Than in the BellSystem Technical Journal.
Keywords: letter; brookhaven; bell; porcelain; magnetic; authors; reprint; july; pulse; counters; bell system
Downloads: 31
[texts]BSTJ 36: 5. September 1957: Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 36: 5. September 1957 pp 1308-1313. Bell System Technical Papers Not Published in This Journal.
Keywords: telephone; bell; monographs; telegraph; germanium; ferrites; electron; technical; acta; monograph; bell telephone; bell system; system technical
Downloads: 19
[texts]BSTJ : Recent Monographs of Bell System Technical Papers Not Published in this Journal
Bell System Technical Journal, 38: 6 November 1959 pp 1595-1600. Recent Monographs of Bell System Technical Papers Not Published in this Journal
Keywords: monograph; monographs; germanium; silicon; bell; technical; quartz; simulation; diffused; transmission; system technical; bell system
Downloads: 42
[texts]BSTJ 33: 6. November 1954: Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Bell System Technical Journal, 33: 6. November 1954 pp 1392-1397. Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Keywords: monograph; monographs; electron; transistor; bell; resonance; graph; germanium; dependence; periodic; system technical; bell system
Downloads: 27
[texts]BSTJ 37: 2. March, 1958: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 37: 2. March, 1958 pp 571-575. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; electron; spectra; graph; bell; infrared; silicon; technical; relaxation; system technical; bell system
Downloads: 35
[texts]BSTJ 38: 4. July 1959: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 38: 4. July 1959 pp 1061-1064. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; bell; diffusion; alloy; thermal; graph; germanium; semiconducting; technical; system technical; bell system
Downloads: 27
[texts]BSTJ 38: 3. May 1959: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 38: 3. May 1959 pp 899-904. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; bell; gallium; ferroelectric; frequency; ferrite; gaussian; technical; infrared; system technical; bell system
Downloads: 18
[texts]BSTJ 16: 1. January 1937: Abstracts of Technical Articles from Bell System Sources.
Bell System Technical Journal, 16: 1. January 1937 pp 113-115. Abstracts of Technical Articles from Bell System Sources.
Keywords: diffusion; diffraction; crystallites; galena; cleaved; crystal; kikuchi; surfaces; photoelectric; imperfection; electron diffraction; diffraction patterns; bell system
Downloads: 35
[texts]Cryptolog Volume IX Number 10 - National Security Agency
Features: Leadership: A Personal Philosophy (U) What's The Good (Pass)word? (U) Human Factors: Text Editors (U) The Reality Of Communications Changes (U) Puzzle (U) SIGINT: 1990, Part Two (U) Answer: An Old Problem (U) Not Secret Anymore
Keywords: NSA; Cryptolog; declassified; redacted; fiber; oct; optical; digital; optical fiber; common channel; knowledge workers; bell system
Downloads: 9
[collection]The Bell System Practices
The Bell System Practices were a set of documents produced by the American Telephone and Telegraph Company to instruct employees on the proper use and maintenance of all kinds of telephone equipment. As these materials span decades of the history of (what was at the time) the world's largest corporation, the quality varies widely. Some documents are carefully phototypeset originals, some are enlargements from microfilm, and still others are third-generation photocopies of typewritten originals.
Keywords: Bell System; telephone; ATT; American Telegraph and Telephone; phone equipment; manuals
Downloads: 3,046
[texts]BSTJ 55: 4. April 1976: Abstracts of Bell System Papers Appearing in Other Publications.
Bell System Technical Journal, 55: 4. April 1976 pp 499-501. Abstracts of Bell System Papers Appearing in Other Publications.
Keywords: chemistry; aerosols; absorption; gaas; solders; cugase; fiber; laser; layer; troposphere; ridge analysis; bell system
Downloads: 33
[texts]BSTJ 53: 10. December 1974: L5 Coaxial-Carrier Transmission System, Foreword.
Bell System Technical Journal, 53: 10. December 1974 pp 1897-1899. L5 Coaxial-Carrier Transmission System, Foreword.
Keywords: system; coaxial; transmission; bell; systems; capacity; repeater; cable; increased; foreword; bell system; system technical
Downloads: 55
[texts]BSTJ 50: 2. February 1971: The Picturephone System: Foreword. (Baird, Jack A.)
Bell System Technical Journal, 50: 2. February 1971 pp 219-220. The Picturephone System: Foreword. (Baird, Jack A.)
Keywords: bell; picturephone; system; telephony; ives; demonstration; demonstrated; telephone; picturephone service; booth; system technical; bell system
Downloads: 34
[texts]BSTJ 14: 4. October 1935: Dr. George A. Campbell. (Jewett, F.B.)
Bell System Technical Journal, 14: 4. October 1935 pp 553-557. Dr. George A. Campbell. (Jewett, F.B.)
Keywords: campbell; telephone; repeater; crosstalk; amplification; unbalance; frequencies; circuits; circuit; memorandum; technical journal; system technical; bell system
Downloads: 36
[texts]BSTJ 53: 9. November 1974: New Frontiers of Varactor Harmonic Power Generation in the C-Band. (Ahamed, S.V.; Irvin, J.C.)
Bell System Technical Journal, 53: 9. November 1974 pp 1839-1843. New Frontiers of Varactor Harmonic Power Generation in the C-Band. (Ahamed, S.V.; Irvin, J.C.)
Keywords: ghz; efficiency; diode; output; frequency; gaas; varactors; varactor; idler; computed; system technical; high power; bell system
Downloads: 26
[texts]BSTJ 25: 4. October 1946: Abstracts of Technical Articles by Bell System Authors.
Bell System Technical Journal, 25: 4. October 1946 pp 652-654. Abstracts of Technical Articles by Bell System Authors.
Keywords: ebonites; magnetic; quartz; natural; nitrile; rubber; properties; chlorinated; geometrical; bell; bell system
Downloads: 24
[texts]BSTJ 48: 4. April 1969: Foreword: The L-4 Coaxial System.
Bell System Technical Journal, 48: 4. April 1969 pp 819-820. Foreword: The L-4 Coaxial System.
Keywords: coaxial; system; design; bandwidth; transistors; bell; broadband; transmission; techniques; equipment; bell system
Downloads: 27
[texts]BSTJ 49: 7. September 1970: Lead-Acid Battery: Foreword. (Garrett, C.G.B.)
Bell System Technical Journal, 49: 7. September 1970 pp 1249-1252. Lead-Acid Battery: Foreword. (Garrett, C.G.B.)
Keywords: bell; cells; design; describes; battery; system; electrochemical; cell; technical; secondary; bell system; system technical; battery manufacturers
Downloads: 33
[texts]BSTJ : Thirtieth Anniversary
Bell System Technical Journal, 31: 4 July 1952 pp 611-612. Thirtieth Anniversary
Keywords: journal; bell; technical; shockley; system; inventor; publications; papers; editor; xxxi; bell system; system technical; technical journal
Downloads: 15
[texts]BSTJ 42: 3. May 1963: Contributors to this Issue.
Bell System Technical Journal, 42: 3. May 1963 pp 737-738. Contributors to this Issue.
Keywords: bell; mathematical; telephone; development; switching; institute; radio; engaged; repeatered; columbia; bell telephone; bell system
Downloads: 22
[texts]BSTJ 35: 6. November 1956: Nobel Prize in Physics Awarded to Transistor Inventors.
Bell System Technical Journal, 35: 6. November 1956 pp i-iv. Nobel Prize in Physics Awarded to Transistor Inventors.
Keywords: laboratories; electron; prize; shockley; nobel; transistor; degree; brattain; awarded; davisson; nobel prize; bell system
Downloads: 53
[texts]BSTJ 39: 3. May 1960: Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 39: 3. May 1960 pp 733-741. Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Keywords: monograph; monographs; graph; electron; bell; diffusion; paramagnetic; resonance; defect; silicon; system technical; bell system
Downloads: 36
[texts]BSTJ 39: 5. September 1960: Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 39: 5. September 1960 pp 1375-1378. Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Keywords: monograph; monographs; graph; garnet; resonance; electron; simulation; bell; amplifier; magnetic; system technical; bell system
Downloads: 39
[texts]BSTJ 35: 4. July 1956: Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Bell System Technical Journal, 35: 4. July 1956 pp 979-984. Recent Monographs of Bell System Technical Papers Not Published in thisJournal.
Keywords: monograph; monographs; transistor; bell; siucon; technical; magnetic; graph; system; junction; system technical; bell system
Downloads: 38
[texts]BSTJ 33: 5. September 1954: Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Bell System Technical Journal, 33: 5. September 1954 pp 1201-1205. Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Keywords: monograph; monographs; ultrasonic; electrons; electron; crystals; impurities; bell; technical; mobility; system technical; bell system
Downloads: 17
[texts]BSTJ : Recent Monographs of Bell System Technical Papers Not Published in This Journal
Bell System Technical Journal, 39: 4 July 1960 pp 1113-1120. Recent Monographs of Bell System Technical Papers Not Published in This Journal
Keywords: monograph; monographs; bell; silicon; technical; effects; magnetic; dielectric; triglycine; infrared; system technical; bell system
Downloads: 52
[texts]BSTJ 34: 2. March 1955: Contributors to this Issue.
Bell System Technical Journal, 34: 2. March 1955 pp 450-452. Contributors to this Issue.
Keywords: bell; telephone; laboratories; design; princeton; presently; institute; engaged; university; concerned; bell telephone; early work; bell system
Downloads: 24
[texts]BSTJ 54: 10. December 1975: SAFEGUARD Data-Processing System: Foreward . (Crowley, Thomas H.)
Bell System Technical Journal, 54: 10. December 1975 pp S3-S5. SAFEGUARD Data-Processing System: Foreward . (Crowley, Thomas H.)
Keywords: system; bell; safeguard; software; papers; technical; development; techniques; project; major; bell system; system technical
Downloads: 39
[texts]BSTJ 58: 10. December 1979: Papers by Bell Laboratories Authors.
Bell System Technical Journal, 58: 10. December 1979 pp 2321-2326. Papers by Bell Laboratories Authors.
Keywords: gallium; ieee; picosecond; molecular; relaxation; arsenide; ion; magnetic; photoemission; cadmium; system technical; compton profile; bell system
Downloads: 39
[texts]BSTJ 50: 8. October 1971: A Fast Amplitude Approximation For Quadrature Pairs . (Robertson, G.H.)
Bell System Technical Journal, 50: 8. October 1971 pp 2849-2852. A Fast Amplitude Approximation For Quadrature Pairs . (Robertson, G.H.)
Keywords: algorithm; amplitude; quadrature; estimates; approximation; amplitudes; detectability; fourier; described; pair; system technical; bell system; algorithm described
Downloads: 14
[texts]BSTJ 39: 1. January 1960: Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 39: 1. January 1960 pp 257-260. Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Keywords: monograph; monographs; resistivity; infrared; silicon; technical; resonance; bell; thermoplastics; cubic; system technical; bell system
Downloads: 19
[texts]BSTJ 36: 3. May 1957: Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 36: 3. May 1957 pp 823-827. Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Keywords: monograph; monographs; ferrites; bell; donor; technical; switching; properties; measurement; coefficient; system technical; bell system
Downloads: 49
[texts]BSTJ 54: 1. January 1975: Bell Laboratories Fiftieth Anniversary. (Danielson, W.E.)
Bell System Technical Journal, 54: 1. January 1975 pp 1-2. Bell Laboratories Fiftieth Anniversary. (Danielson, W.E.)
Keywords: bell; laboratories; system; transmission; switching; scientific; telecommunications; technical; technological; network; bell system; bell laboratories; system technical
Downloads: 33
[texts]BSTJ 49: 5. May-June 1970: SF Submarine Cable System - Forward. (Brewer, S.T.)
Bell System Technical Journal, 49: 5. May-June 1970 pp 601-604. SF Submarine Cable System - Forward. (Brewer, S.T.)
Keywords: system; reliability; cable; transatlantic; bell; submarine; design; growth; bandwidth; curve; cable system; system technical; bell system
Downloads: 27
[texts]BSTJ 51: 6. July-August 1972: Fifty Years of BSTJ.
Bell System Technical Journal, 51: 6. July-August 1972 pp 1129-1132. Fifty Years of BSTJ.
Keywords: bstj; systems; switching; telecommunications; telecommunication; advances; nationwide; transmission; bell; transistor; system technical; fifty years; bell system
Downloads: 38
[texts]BSTJ : George A. Campbell, 1870 - 1954
Bell System Technical Journal, 34: 1 January 1955 pp 1-4. George A. Campbell, 1870 - 1954
Keywords: telephone; american; campbell; mathematical; technical; electrical; frequencies; bell; institute; patent; system technical; bell system
Downloads: 27
[texts]BSTJ 42: 5. September 1963: B.S.T.J. Briefs: A Self-Reorganizing Synchronization Network. (Scattaglia, J.V.)
Bell System Technical Journal, 42: 5. September 1963 pp 2493-2496. B.S.T.J. Briefs: A Self-Reorganizing Synchronization Network. (Scattaglia, J.V.)
Keywords: wafer; diode; clock; relay; diodes; master; clockwise; input; clocks; synchronization; system technical; conversion loss; bell system
Downloads: 40
[texts]BSTJ 56: 4. April 1977: Abstracts of Papers by Bell System Authors Published in Other Journals.
Bell System Technical Journal, 56: 4. April 1977 pp 641-644. Abstracts of Papers by Bell System Authors Published in Other Journals.
Keywords: photovoltage; electron; stacking; nickel; faults; oxidation; inp; depoling; titanium; bandgap; stacking faults; sublimation pump; bell system
Downloads: 28
[texts]BSTJ 57: 1. January 1978: Contributors to this Issue.
Bell System Technical Journal, 57: 1. January 1978 pp 211-215. Contributors to this Issue.
Keywords: bell; fiber; optical; sigma; tau; engaged; university; institute; eta; purdue; tau beta; bell system; eta kappa
Downloads: 28
[texts]BSTJ 39: 2. March 1960: Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Bell System Technical Journal, 39: 2. March 1960 pp 423-427. Recent Monographs of Bell System Technical Papers Not Published in This Journal.
Keywords: monograph; technical; van; monographs; bell; transistor; graph; magnetic; switching; resonance; technical papers; system technical; bell system
Downloads: 37
[texts]BSTJ 35: 2. March, 1956: Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Bell System Technical Journal, 35: 2. March, 1956 pp 527-530. Recent Monographs of Bell System Technical Papers Not Published in this Journal.
Keywords: monograph; monographs; resonance; germanium; bell; barium; ferromagnetic; electron; technical; electrical; system technical; bell system
Downloads: 33
[texts]BSTJ 55: 6. July-August 1976: Abstracts of Papers by Bell System Authors Published in Other Journals.
Bell System Technical Journal, 55: 6. July-August 1976 pp 827-830. Abstracts of Papers by Bell System Authors Published in Other Journals.
Keywords: films; amorphous; diffusion; bati; nonlinear; observed; ionization; ieee; defect; cuinse; ionization rates; bell system
Downloads: 23
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